racecast.ioPartly cloudy throughout the day.
Details
Wind
12mph
Gusting to
26mph
Wind
14mph
Wind
14mph
Gusting to
27mph
Wind
15mph
Wind
15mph
Gusting to
27mph
Wind
15mph
Gusting to
28mph
Wind
16mph
Wind
15mph
Gusting to
28mph
Wind
16mph
Gusting to
29mph
Pre-Race
Race
Post-Race
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FAQ
When is the 2026 Illinois Marathon?
The 2026 Illinois Marathon will be held on Saturday April 25, 2026.
Is the Illinois Marathon a Boston Marathon Qualfier?
Yes, the Illinois Marathon is an official Boston Marathon qualifier.
Illinois Marathon Weather History
Illinois Marathon Weather Averages
Average Temp: 60°, Average Low: 53°, Average High: 69°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 56° | 57° | 59° | 62° | 64° | 65° | 66° | 67° |
| Feel | 53° | 54° | 56° | 62° | 64° | 65° | 66° | 67° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 15mph | 17mph | 15mph | 20mph | 18mph | 21mph | 21mph | 19mph |
| Dew | 51° | 50° | 50° | 50° | 51° | 52° | 52° | 53° |
| RunScore |  |  | | | | | | |
Illinois Marathon 2025
Apr 26, 2025
Partly cloudy throughout the day.
Low: 47°, High: 61°
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp |  48° | 48° | 50° | 53° | 55° | 56° | 57° |  60° |
| Feel | 43° | 42° | 45° | 53° | 55° | 56° | 57° | 60° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 11mph | 14mph | 13mph | 18mph | 14mph | 16mph | 14mph | 13mph |
| Dew | 42° | 41° | 40° | 40° | 41° | 41° | 41° | 42° |
| RunScore |  | | | | | | | |
Illinois Marathon 2024
Apr 27, 2024
Partly cloudy throughout the day with rain.
Low: 59°, High: 77°, Heavy Rain
| Time | 7AM | 8AM | 9AM | 10AM | 11AM | 12PM | 1PM | 2PM |
|---|---|---|---|---|---|---|---|---|
| Temp | 64° | 66° | 68° | 72° | 73° | 75° | 74° | 75° |
| Feel | 64° | 66° | 68° | 72° | 73° | 75° | 74° | 75° |
| Rain | - | - | - | - | - | - | - | - |
| Wind | 19mph | 20mph | 17mph | 23mph | 21mph | 25mph | 28mph | 26mph |
| Dew | 59° | 60° | 61° | 61° | 62° | 63° | 63° | 64° |
| RunScore | | | |  | | | | |